Added Value of Isolated Core Postural Control Training on Knee Pain and Function in Women With Patellofemoral Pain Syndrome: A Randomized Controlled Trial

Publication date: February 2019

Source: Archives of Physical Medicine and Rehabilitation, Volume 100, Issue 2

Author(s): Forouzan Foroughi, Sobhan Sobhani, Amin Kordi Yoosefinejad, Alireza Motealleh

Abstract

Objectives

To evaluate the added value of isolated core postural control training on knee pain and function in women with patellofemoral pain syndrome (PFPS).

Design

Randomized controlled trial.

Setting

Rehabilitation sciences research center.

Participants

Women (N=33) between 18 and 30 years of age with PFPS were randomly assigned to a control group (n=16) or the experimental group (n=17).

Interventions

Participants in both groups received the same stretching and strengthening exercises during 4 weeks (12 sessions 3 days per week). The experimental group also received isolated core postural training with an unstable seat apparatus.

Main Outcome Measures

Center of pressure (CoP) trajectories in sitting postural control, pain intensity, and function were recorded before and after the 4-week intervention period. Functional capacity and pain intensity were reassessed 3 months after the intervention.

Results

After treatment, both groups had significant improvements in pain, function (P<.001), and CoP trajectories in sitting postural control (control group P<.05, experimental group P<.001). Between-group comparisons demonstrated greater improvements in pain, function, and CoP trajectories in the experimental group (P<.001). This group also had significantly greater improvements in pain and Kujala Anterior Knee Pain Scale score at 3-month follow-up compared to the control group (P<.001).

Conclusions

Adding isolated core postural control training to physiotherapy exercises was associated with significantly greater improvements in pain, function, and CoP trajectories than physiotherapy exercises alone. Therefore, unstable sitting postural control training is potentially useful to enhance rehabilitation management in patients with PFPS.

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